def test_nldsMartinDistance():
"""Test Martin distance computation for NLDS's.
Config: 5 states, kernel centering
"""
fileA = os.path.join(TESTBASE, "data/data1.txt")
fileB = os.path.join(TESTBASE, "data/data2.txt")
# load data files
dataA, _ = loadDataFromASCIIFile(fileA)
dataB, _ = loadDataFromASCIIFile(fileB)
# configure kernels
kpcaPA = KPCAParam()
kpcaPA._kPar = RBFParam()
kpcaPA._kPar._kCen = True
kpcaPA._kFun = rbfK
kpcaPB = KPCAParam()
kpcaPB._kPar = RBFParam()
kpcaPB._kPar._kCen = True
kpcaPB._kFun = rbfK
nldsA = NonLinearDS(5, kpcaPA, False)
nldsB = NonLinearDS(5, kpcaPB, False)
# estimate NLDS's
nldsA.suboptimalSysID(dataA)
nldsB.suboptimalSysID(dataB)
# compute distances A<->A, A<->B
dAA = nldsMartinDistance(nldsA, nldsA, 20)
dAB = nldsMartinDistance(nldsA, nldsB, 20)
truth = np.genfromtxt(os.path.join(TESTBASE,
"data/nldsMartinDistanceData1Data2.txt" ))
np.testing.assert_almost_equal(dAA, 0, 2)
np.testing.assert_almost_equal(dAB, truth, 2)
def main(argv=None):
if argv is None:
argv = sys.argv
parser = OptionParser(add_help_option=False)
parser.add_option("-s", dest="model1File")
parser.add_option("-r", dest="model2File")
parser.add_option("-n", dest="iterations", type="int", default=20)
parser.add_option("-h", dest="shoHelp", action="store_true", default=False)
parser.add_option("-v", dest="verbose", action="store_true", default=False)
opt, args = parser.parse_args()
if opt.shoHelp:
usage()
with open(opt.model1File, 'r') as fid:
kdt1 = pickle.load(fid)
with open(opt.model2File, 'r') as fid:
kdt2 = pickle.load(fid)
martinD = dsdist.nldsMartinDistance(kdt1, kdt2, opt.iterations)
dsinfo.info('D(%s,%s) = %.4f' % (opt.model1File, opt.model2File, martinD))
def main(argv=None):
if argv is None:
argv = sys.argv
parser = OptionParser(add_help_option=False)
parser.add_option("-s", dest="model1File")
parser.add_option("-r", dest="model2File")
parser.add_option("-n", dest="iterations", type="int", default=20)
parser.add_option("-h", dest="shoHelp", action="store_true", default=False)
parser.add_option("-v", dest="verbose", action="store_true", default=False)
opt, args = parser.parse_args()
if opt.shoHelp:
usage()
with open(opt.model1File, 'r') as fid:
kdt1 = pickle.load(fid)
with open(opt.model2File, 'r') as fid:
kdt2 = pickle.load(fid)
martinD = dsdist.nldsMartinDistance(kdt1, kdt2, opt.iterations)
dsinfo.info('D(%s,%s) = %.4f' % (opt.model1File, opt.model2File, martinD))
